MACHINE SCREWS FLAT HEAD PHILLIPS  HEAD DIMENSIONS
	All Dimensions in Inches

Basic Screw Diameter	Head Diameter		Head Height		Dimensions of Recess				Phillips  Driver  Size
					Diameter		Depth	Width
	Max.	Min.	Max.	Min.	Max.	Min.	Max.	Min.
2/56	.172	.150	.051	.040	.102	.089	.063	.017	1
3/48	.199	.175	.059	.048	.107	.094	.068	.018	1
4/40	.225	.200	.067	.055	.128	.115	.086	.018	1
5/40	.252	.225	.075	.062	.154	.141	.089	.027	2
6/32	.279	.249	.083	.069	.174	.161	.106	.029	2
8/32	.332	.300	.100	.084	.189	.176	.121	.031	2
10/24	.385	.348	.116	.098	.204	.191	.136	.032	2
10/32	.385	.348	.116	.098	.204	.191	.136	.032	2
12/24	.438	.397	.132	.112	.268	.255	.156	.036	3
1/4	.507	.462	.153	.131	.283	.270	.171	.035	3
5/16	.635	.581	.191	.165	.365	.352	.216	.061	4
3/8	.762	.700	.230	.200	.393	.380	.246	.065	4